Model establish
(regression models or
non-parametric models)
Upper scaling to match
satellite pixel
Satellite data
Validation
Selection of
vegetation index
and reflectance
Forest biomass
estimates
Classification of
forest type and
distribution
Tree harvesting or
allometric models
Samples match up in
geolocation
Ancillary data
Biomass density
Corrections in
geolocation and spectral
Field sample
measurements
Fig. 3.1 Flowchart of forest biomass estimates from satellite data using empirical models
Satellite data
Validation
Forest biomass
estimates
Classification of
forest type and
distribution
Generalized allometric models
for various forest types
Corrections in
geolocation and spectral
reflectance
Field plot measurements of
biomass components
Forest canopy
properties
Canopy reflectance
model
Biomass density
Fig. 3.2 Flowchart of forest biomass estimates from satellite data using physically-based models
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X. Zhang and W. Ni-meister